 Or how they power the complex heating and cooling systems to keep people alive through extreme temperatures? What would we do without AC or basic heat? Listen, I want you to know about the facts. I want you to know the true facts about energy, about fossil fuels. Fossil fuels have been the real hero in the prevention of billions of deaths and the extension of life. But they lie. You need the facts. Go to oilfacts.com. Get educated today on these critical facts.